Distribution Arrester
A Distribution Arrester is a high-performance surge protection device designed for installation on overhead power lines to safeguard transformers, insulators, and other distribution equipment from transient overvoltages caused by lightning strikes and switching operations. Utilizing advanced Metal Oxide Varistor (MOV) technology, it offers rapid response and reliable operation, ensuring system stability and extended equipment life.
Key Features:
- Surge Protection: Diverts high-energy lightning and switching surges safely to ground.
- MOV Core Technology: Provides fast, non-linear resistance response to overvoltage events.
- Durable Housing: Available in porcelain or polymer for superior insulation and weather resistance.
- High Energy Handling: Engineered to withstand repeated surge events without degradation.
- Compact & Lightweight Design: Simplifies pole-mount installation.
- Corrosion-Resistant Terminals: Ensures long-term electrical integrity in outdoor environments.
- Safety Disconnector: Automatically isolates faulty units from the system to maintain service continuity.
Product Details
General
| Application | Distribution |
| Color | Gray |
| Material | Polymer Housing |
| Mounting Position | Upright |
| Type | Class 1 |
Dimensions
| Stud Type | M12 |
Electrical Ratings
| Creep and Leakage Distance | 780 mm |
| Current – Low Current Long Duration (LCLD) Test | 230 |
| Duty Cycle | 12 kV |
| Frequency Rating | 48-62 Hz |
| MCOV | 10.2 kV |
| Maximum .5 Microsecond Discharge Volts @ Classifying Current | 38.1 kV |
| Maximum Discharge Voltage | 29.3 kV @ 1.5 kA 30.6 kV @ 3 kA 31.8 kV @ 5 kA 34.3 kV @ 10 kA 37.9 kV @ 20 kA 43.9 kV @ 40 kA |
| Maximum Switching Surge Protective Level @ 500A | 25.2 kV |
| Minimum Strike | 156.0 mm |
| Pressure Relief Capability-Symmetrical rms (kA) | 20 |
| Time – Low Current Long Duration (LCLD) Test | 2000 |
| Withstand Voltage – 60 Hz Wet | 34 |
| Withstand Voltage – Lightning Impulse | 125 |
| Withstand Voltage – Switching Impulse | 25.8 |
Resources and Downloads
| Specifications | Download PDF |
| Technical Drawings | Download PDF |